cask 'lilypond' do
  version '2.20.0-1'
  sha256 '1680ca85ff7bdb942a39bff323956357fbb0e6ab17edf9c0e145d52b6c0dc231'

  url "http://lilypond.org/downloads/binaries/darwin-x86/lilypond-#{version}.darwin-x86.tar.bz2"
  appcast 'http://lilypond.org/macos-x.html'
  name 'LilyPond'
  homepage 'http://lilypond.org/'

  depends_on macos: '<= :mojave'

  app 'LilyPond.app'

  binaries = [
               'abc2ly',
               'convert-ly',
               'lilypond',
               'lilypond-book',
               'musicxml2ly',
             ]

  binaries.each do |shimscript|
    binary "#{staged_path}/#{shimscript}.wrapper.sh", target: shimscript
  end

  preflight do
    binaries.each do |shimscript|
      # shim script (https://github.com/Homebrew/homebrew-cask/issues/18809)
      IO.write "#{staged_path}/#{shimscript}.wrapper.sh", <<~EOS
        #!/bin/sh
        exec '#{appdir}/LilyPond.app/Contents/Resources/bin/#{shimscript}' "$@"
      EOS
    end
  end

  zap trash: [
               '~/Library/Preferences/org.lilypond.lilypond.plist',
               '~/Library/Preferences/org.lilypond.lilypond.LSSharedFileList.plist',
             ]
end
